package com.lg;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class LearnTest {
	public static void main(String args[]){
		   
	      List<String> names1 = new ArrayList<String>();
	      names1.add("Google ");
	      names1.add("Runoob ");
	      names1.add("Taobao ");
	      names1.add("Baidu ");
	      names1.add("Sina ");
	        
	      List<String> names2 = new ArrayList<String>();
	      names2.add("Google ");
	      names2.add("Runoob ");
	      names2.add("Taobao ");
	      names2.add("Baidu ");
	      names2.add("Sina ");
	        
	      LearnTest tester = new LearnTest();
	      System.out.println("使用 Java 7 语法: ");
	        
	      tester.sortUsingJava7(names1);
	      names1.forEach(a -> System.out.println(a));
	      System.out.println("使用 Java 8 语法: ");
	        
	      tester.sortUsingJava8(names2);
	      System.out.println(names2);
	   }
	
	 // 使用 java 7 排序
	   private void sortUsingJava7(List<String> names){   
	    Collections.sort(names, new Comparator<String>() {

			@Override
			public int compare(String o1, String o2) {
				// TODO Auto-generated method stub
				return o1.compareTo(o2);
			}
		});
	   }
	   
	   // 使用 java 8 排序
	   private void sortUsingJava8(List<String> names){
	     Collections.sort(names, (s1,s2)->s1.compareTo(s2));
	   }
}
